Grille structure



FIG. 1 is a top, front and right side perspective view of a grille structure incorporating features of the present invention;

FIG. 2 is a front elevation view of FIG. 1, the rear elevation view being identical;

FIG. 3 is a right side elevation view of FIG. 1, the left side elevation view being identical;

FIG. 4 is a top plan view of FIG. 1; and,

FIG. 5 is a top perspective view of FIG. 1, shown at a reduced scale; the grille structure of FIG. 5 is shown between two seats in a vehicle.

In the drawings, the broken lines depict portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a grille structure, as shown and described herein. 